515150938380 has 48 divisors (see below), whose sum is σ = 1553378216544. Its totient is φ = 126806384640.

The previous prime is 515150938333. The next prime is 515150938403. The reversal of 515150938380 is 83839051515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330224181 + ... + 330225740.

It is an arithmetic number, because the mean of its divisors is an integer number (32362046178).

Almost surely, 2^515150938380 is an apocalyptic number.

It is an amenable number.

515150938380 is an abundant number, since it is smaller than the sum of its proper divisors (1038227278164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515150938380 is a wasteful number, since it uses less digits than its factorization.

515150938380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660449946 (or 660449944 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 48.

Adding to 515150938380 its reverse (83839051515), we get a palindrome (598989989895).

The spelling of 515150938380 in words is "five hundred fifteen billion, one hundred fifty million, nine hundred thirty-eight thousand, three hundred eighty".